From: Laurent Desnogues <laurent.desnogues@gmail.com>
To: Artyom Tarasenko <atar4qemu@gmail.com>
Cc: Blue Swirl <blauwirbel@gmail.com>,
peter.maydell@linaro.org, qemu-devel <qemu-devel@nongnu.org>,
Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] tcg/tcg.c:1892: tcg fatal error
Date: Thu, 21 Apr 2011 17:44:20 +0200 [thread overview]
Message-ID: <BANLkTintNbkL8dtS25g65WikTFSfOcPhWA@mail.gmail.com> (raw)
In-Reply-To: <BANLkTi=nms_a+Grh=Q5Ad=SqgOTanZG7ew@mail.gmail.com>
On Thu, Apr 21, 2011 at 4:57 PM, Artyom Tarasenko <atar4qemu@gmail.com> wrote:
> On Tue, Apr 12, 2011 at 4:14 AM, Igor Kovalenko
> <igor.v.kovalenko@gmail.com> wrote:
>>>> Do you have public test case?
>>>> It is possible to code this delay slot write test but real issue may
>>>> be corruption elsewhere.
>
> The test case is trivial: it's just the two instructions, branch and wrpr.
>
>> In theory there could be multiple issues including compiler induced ones.
>> I'd prefer to see some kind of reproducible testcase.
>
> Ok, attached a 40 byte long test (the first 32 bytes are not used and
> needed only because the bios entry point is 0x20).
>
> $ git pull && make && sparc64-softmmu/qemu-system-sparc64 -bios
> test-wrpr.bin -nographic
> Already up-to-date.
> make[1]: Nothing to be done for `all'.
> /mnt/terra/projects/vanilla/qemu/tcg/tcg.c:1892: tcg fatal error
> Aborted
The problem seems to be that wrpr is using a non-local
TCG tmp (cpu_tmp0).
Laurent
next prev parent reply other threads:[~2011-04-21 15:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-10 12:29 [Qemu-devel] tcg/tcg.c:1892: tcg fatal error Artyom Tarasenko
2011-04-10 13:24 ` Aurelien Jarno
2011-04-10 14:09 ` Artyom Tarasenko
2011-04-10 14:44 ` Blue Swirl
2011-04-10 17:48 ` Artyom Tarasenko
2011-04-10 17:57 ` Blue Swirl
2011-04-10 18:35 ` Artyom Tarasenko
2011-04-10 18:52 ` Igor Kovalenko
2011-04-10 19:37 ` Artyom Tarasenko
[not found] ` <BANLkTik2NChYi8hADjCSbjdZeyP_oo8_Qg@mail.gmail.com>
2011-04-10 20:00 ` Artyom Tarasenko
2011-04-11 3:16 ` Igor Kovalenko
2011-04-11 17:53 ` Artyom Tarasenko
2011-04-12 2:14 ` Igor Kovalenko
2011-04-21 14:57 ` Artyom Tarasenko
2011-04-21 15:44 ` Laurent Desnogues [this message]
2011-04-21 19:45 ` Igor Kovalenko
2011-04-21 22:39 ` Laurent Desnogues
2011-04-22 14:14 ` Igor Kovalenko
2011-04-25 20:29 ` Aurelien Jarno
2011-04-26 3:34 ` Igor Kovalenko
2011-04-26 16:26 ` Artyom Tarasenko
2011-04-26 18:07 ` Igor Kovalenko
2011-04-26 17:02 ` Artyom Tarasenko
2011-04-26 18:36 ` Blue Swirl
2011-04-26 19:07 ` Igor Kovalenko
2011-04-26 20:07 ` Blue Swirl
2011-04-26 21:35 ` Igor Kovalenko
2011-04-27 17:40 ` Blue Swirl
2011-04-27 16:29 ` Artyom Tarasenko
2011-04-27 17:41 ` Blue Swirl
2011-04-10 14:59 ` Peter Maydell
2011-04-10 17:31 ` Artyom Tarasenko
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